Method of cold water fracturing in drainholes

Details Method of cold water fracturing in drainholes Method of cold water fracturing in drainholes

1982-10-12

1984-10-16

Suchfield, George A.

Wells

Processes

Heating, cooling or insulating

166 50, 166302, 166308, E21B 4324, E21B 4326

Patent

active

044769326

ABSTRACT:
A method for selectively positioning a fracture in a horizontal borehole comprising injection of a cooling fluid into a preselected portion of the drainhole and thereafter injection of fracturing fluid into the borehole at a pressure sufficient to initiate a fracture in the cooled portion but not in the unselected portions of the drainhole.

REFERENCES:
patent: 2944803 (1960-07-01), Hanson
patent: 3398804 (1968-08-01), Holbert
patent: 3465826 (1969-09-01), Terwinger
patent: 3559737 (1971-02-01), Ralstin
patent: 3835928 (1974-09-01), Strubhar et al.
patent: 3863709 (1975-02-01), Fitch
patent: 3878884 (1975-04-01), Raleigh
patent: 4003432 (1977-01-01), Paull et al.
patent: 4022279 (1977-05-01), Driver
patent: 4223729 (1980-09-01), Foster
Perkins et al., "Changes in Earth Stresses Around A Wellbore Caused by Radially Symmetrical Pressure and Temperature Gradients", SPE 10080, Oct. 5-7, 1981.

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